4-40 NC Spiral Point Tap
Spiral Point or Gun Nose taps are mainly used for Machine Tapping of through holes.
The point helps to direct the chips ahead of the tap leaving the flutes clear for the free flow of coolant to the cutting edge.
Suitable for materials up to 1000N/mm2
Threads per inch 40
Overall length 48mm
Cutting length 15mm
Drill diameter 2.3mm